This page is devoted to the teaching and training activities in which I am currently involved. I also have teaching material available on my gopher service in addition to my newly launched gemini service, and you can also finger me (finger davidn@dfdn.info ) to keep up with my latest news and what I am up to!
***New DFDN.org app available for Android devices***
Get our new app! (Beta Version)
Proceedure for installing Apps from an unknown developer: On devices running Android 8.0 (API level 26) and higher, users must navigate to the Install unknown apps system settings
screen to enable app installations from a particular location. On devices running Android 7.1.1 (API level 25) and lower, users should enable the Unknown sources system setting, found in
Settings > Security on their devices.
The reason is that it is possible to produce a malicious app, and by default Android blocks third party app installation until the user opts in. The fact that it is possible to do so makes
beta testing on Android much easier. It is not possiblke to beta test on IOS devices unless the device has been 'jailbroken' - hence why I have not got a beta version for IOS. A finished app may appear later for IOS devices. For full explanation of the process, please see here.
Want to help test the app? See below. Please note that it is a beta version. It will be released on play store later. For now, you will need to grant permission to install apps from an unknown source. Feedback would be most welcome! David
Please note: it is underdevelopment. Once fully developed it will be on app store for Android and IOS.
I am actually trialling beta versions of some other apps, including a messenger, AI app, news and madiia player, among others These are currently only available for Android (APK). For these and other downloads, see here...
Please come to the lesson using a desktop or laptop computer (lessons cannot be delivered effectively on phones or tablets!!!) If you use tablets, phones or Ipads, most
features and functionality will be unavailable, including notes, excercises and other functionality. For tablets and phones, the tiny display means you will strain your eyes trying to read what is on the screen. It will be a frustrating and ineffectual experience for
teacher and student alike. For first lessons, I may be unable to complete the nescessary tasks.
There have been a number of occasions when students system time has caused missed lessons. Please check your computer clock here...
Google Chrome is recommended on most devices for the best view of Preply's Classroom. However, The latest versions of other browsers like Firefox, Opera and Safari and i and Microsoft Edge are supported (not the mobile versions!). Skype and Zoom can be used in some situations. However the clessroom functionality including notes and excercises will not be available.
We don't support Internet Explorer, Amazon Silk, FireFox Mobile.
Gateways for gopheer and gemini protocols: these are good to get you started. But I would recommend using a dedicated client in longer term. Of course, I take you to my server directly, but feel free to browse 'goherspace' and 'geminispace' - you never know what you might find...
***Until you have a client to access my gopher site directly***, use this proxy to read in web browser. A dedicated client will be faster and look better in use.>
***Until you have a client to access my gemini site directly***, use this proxy server to read in a standard web browser. A dedicated client will be faster and look better in use.
***Notices for Students – please read***
***BREAKING NEWS!!!***
UPDATE!
Well, I have just returned from my second visit to China on a cultural exchange.
I am seeking a longer term position. Why? To escape the failing UK and to get some serious money saved.
If I can manage to get a position doing so, then I can work in a place
where living costs are low.
In the meantime, students who are among my regular core of long term students,
who have been unable to take lessons while I was in China should take advantage
of the opportunity to catch up, and I will have Christmas and new year available.
In the Christmas/New Year period in what should (I hope!) be my last in the UK.
For younger students, you have school holidays so what are you waiting for?
Older students have time off work in the majority of cases also. And when I
have reason to celebrate See For details.
And my conclusions?
After a long and in-depth analysis of which countries paid well, I conducted
extensive analysis of their living costs and demographics...
United Arab Emirates has high living costs, so I will struggle to save.
Japan and South Korea also have fairly high living costs, and initial interviews
in the summer of 2023 revealed a lot of competition;
China stands out as it combines low living costs with good pay for teaching
staff. And - it has the added attraction in that I have now taught (at a
Chinese University!) in person on two separate occasions now; - online on
two occasions back in the days when COVID-19 made it difficult or impossible
to visit in person.
I vitally need to be in a position to relocate and save for the business I plan
to launch in West Africa.
So... I am likely to teach for two to three years in China (depending on contract); visiting Burkina Faso in the
summer breaks, and complete a year in 2024/2025 to save. I think this will
suffice. I will review this in 2026. Those who know me well know my motto..
"If a vital job needs to be done, do not procrastinate. Give me the
opportunity and the resources, and I will get the job done. No excuses!"
A FAQ webinar from Succeed in Education about teaching in China
Any questions anyone? David, March 2024
New demonstration video for perspective overseas employers: Troubleshooting Network Connectivity and DNS issues
Notice for students - updated 18th September 2023
Last year, the issue of upfront costs prevented me from being ready and prepared to teach in person from August 2023, which was a devestating blow to me personally. I have a plan in place to be prepared by August, latest. If life has taught me anything, I appear to be very proficient when dealing with anticipated problems. It is the problems I am unaware of until short notice and therefore have not got a plan in place for which cause me the most distress. How do you prepare for a problem before you even become aware that it exists? And you would be astounded how much it can cost to get documents notarised and apostilled. Hundreds of pounds for what is effectively the stamping of a piece of paper!!! And of course, they do not teach you this on TEFL courses. Similarly, universities teach you everything - except how to get a job post graduation. See Why 48% of Graduates Never Get Graduate-level Jobs for an explanation (See above for help with Gemini links). Older generations had it easy in so may respects. If you do not believe me see See this report by the Intergenerational Foundation for details. And if you still take some convincing, even an exonomist has now started to take my stance also. "If you are under 50, get out of the UK while you can. The UK seems incapable of solving its own issues, and things are set to get worse."
"If young British people knew what was good for them, they’d be on the next plane out of the country." SAM ASHWORTH-HAYES You see, I am not given to making sweeping claims without supporting evidence; it's not my way of doing things. Here is a currency converter if you want to know how much "hundreds of pounds" means in terms of your own currency. And we are in a cost of living crisis right now too! Although not unique to the UK, it feels particularly accute here as this ountry is already extortionate to live in at the bast of times! Try checking out housing costs, the tax burden, food banks, zero hour contracts and the housing crisis to name but a few.
Unfortunately Preply ties the profile position to hourly rate, effectively penalising those from “rip off countries” such as the UK and allows you to be undercut by those teachers fortunate enough to come from countries where living costs are considerably lower. Whereas I would be happy to give students discounts where appropriate (obviously students from Pakistan, Myanmar, Cambodia or Senegal, for example, could not pay as much as a student from say Germany or Sweden), I would rather be able to exercise this discression rather than being globally restricted. Since this prevents me from saving the money I need, I therefore have no alternative but to take additional work. The teaching operation in China is required for me to move ahead and build the future I feel I have long fought for.
I will of course try to keep rescheduling to a minimum; however there is no way to avoid it entirely. Rescheduled lessons will be forward shifted in time (to give the student time to check the revised time and advise if not suitable). Note: it is the fault of Preply’s policy, not my policy!!!
After arriving in China, I will be producing a revised timetable for online students; I do need to maintain an online student base also. I will be in China for the duretion of a category Z visa (which is required for one to work in China legaally!).
Any questions or issues, please get in contact as soon as possible. I am known nowadays for my strategic planning skills – however this depends crucially on the necessary resources being available!
Timezone note: The UK is UTC+0 (UTC+1 during British summer time ending October 29th this year); China is UTC+8 and Burkina Faso – my final destination - happens to be on UTC+0 like the UK!).
And – a full detail of my current schedule – which can be adjusted for your timezone – can be found here.
This notice is also prominently available on Gopher and the New Gemini Service; or you can finger me at davidn@dfdn.info for details in French, Italian, Ukranian and (On Gemini) Mandarin Chinese. With regards, David
WARNING: I am going to teach for a period at Yancheng Institute of Technology in Yancheng, Jiangsu Province, China from May 25th for 3 weeks until June 16th on another exchange visit, before I make a longer visit after aquiring a category Z visa to teach longer term. Timetable for online students to be released shortly.The most likely airport is Shanghai Pudong International, PVG.
***Please note: Students should continue to schedule classes until further
notice - please see balow regarding travel details and the contingency plan. Please note that whe whole of China is in a single timezone; Beijing time is UTC+8. I anticipate that there will be limited avaibability for English language students in Europe, Asia and Africa during this period; unfortunately, if you are in Latin America the only availability during the period is likely to be limited and at weekends. Whereas I will aim to minimise disruption for English language students, some rescheduling and a limited schedule are unavoidable. be aware that I am currently working on a plan to go on to either Gambia or Nigeria thereafter; the respective timezones are UTC/UTC+1. So - availability will return to nearer normal. Please see here for details of my forthcoming visit to China - and how it affects your scheduling!!!! Any questions or issues - please contact me at the earliest oportunity.***
You can see an outline of my current availability here.
I would like to take the
oportunity to appologise in advance for any disruption caused to students.
Ukrainian students, I am taking a flexible approach as I
am well aware that the availability of electrical power and
internet service cannot be relied on due to the war.
Please be reassured that affected students will be contacted at the
earliest possible opportunity, as was the case for the rescheduling due to
the
analysis course.
If you are in any country where power and internet service may
be unreliable (and Ukraine in particular)
I will be operating a flexible approach.
Although things are now returning to normal at time of writing
I am awaiting the arrival my visa. I will keep students in the loop regarding my
travel plans. Note: Some rescheduling is highly likely around the time of
my relocation; I will have to travel, quarentine and install fibreoptic internet
service; I will keep my students in the loop. I sure hope that
quarentine facility has Wi-Fi!!! This site will eventually
appear on a .bf domain, which I can only register when I arrive
in the country.
In addition, I have great solidarity
with those from Ukraine, and am well aware of the situation regarding
power and internet service outages – if a lesson is missed I
will wait for the student to contact me to decide options for
rescheduling.
Students should chack back here regularly for the latest updates. Press F5 to ensure that
you are viewing the latest information.
With luck (and great resourcefulness!) I hope
we can all get through this wholesale reconstrution of my life together. Ukraine – I am
fully with you too! I will issue updates as the situation develops.
I am a serious modern man and I never make empty threats;
I make only promises - and then only when I am certain I can keep them!! I am David and I am British!
With regards...
It is worth pointing out that these pages (including those related to English teaching) will remain online after my arrival in Burkina Faso, although the site domain name is to change from the current free DNS to a proper .bf domain name; dfdn.org.bf is my intended DNS. Unfortunately these domain names require physical presence in the country to register. The pages concerned with English teaching will remain on line; Burkina Faso is a Francophone country and - although I will obviously need to learn some French (!), English is the language of the business world and those who join will require some working use of English. So - my contingency plan will be for Gloria (Fluent in English, French and Mossi, a language spoken in the region) to play a large role in the training of non-English speakers - for purposes here, 'an English speaker' will mean having an ability at CEFR level B1 intermediate; IELTS level 5.5-6 or higher. So, I will provide business training for English speakers, who will then train non-English speakers. So, the TEFL related material will remain of relevance and will, therefore, continue to remain available.
Hello dear students! I am a Certified English Teacher with TEFL Certificate. My name is David, I am an English teacher from London, United Kingdom and am certified to teach English as a Foreign or second language. At university I studied (BSc Electronics, graduated 2000) and computer science (MSc Computer Science, graduated 2004).
My background is in engineering with other knowledge and experience to share. I am a native English speaker with a clear, British accent. It has been said that I speak 'Oxford English' whether true or not - only you can decide; it is a matter of opinion! I am not one for blowing my own trumpet, indeed I am seen as shy - but it has been said that I am "Well Cultured" and "an English Gentleman" (!)
I have predominently been teaching English so far - but expect to see a transition to Electronic/Electrical Engineering, Physics and Mathematics. I have plans to teach more extensively as it supports group lessons, and am also set up on Zoom, Skype, Google Meets or Whatsapp. Payment can be made in USD, GBP, EUR, AUD, CAD, PHP or XOF - these are the currencies I am set up to support at time of writing.
I am interested in a range of subjects which include politics, astronomy, sociology and world affairs. I am also passionate about nature and the environment (I try to be as green as possible). I am a licensed radio amateur holding a full UK licence since 1995, and love outdoor pursuits which include hiking and cycling. I am keen to travel the world and enjoy meeting people from faraway places.
If you are from an engineering background and need help with engineering lauguage and terminology in English, my own background is ideal; I have a number of students from my own background who are seeking guidance in this area. (Engineering terms will not be found in a standard dictionary; I use the Oxford English Dictionary as my de facto standard for standard English teaching, but for specialist students with a career in an engineering related field, I have specialist engineering dictionaries available).
I am passionate about creating a fun, relaxed, easy-going environment in my classroom for younger learners, or a more formal teaching environment for older learners who may have specific requirements – for example, taking customer calls in an office setting. If you are a beginner, I can help you learn the basics of English quickly and easily in either a relaxed or more formal learning environment. Either way, I look forward to meeting you!
I enjoy meeting people from any background, anywhere in the world. Although I am aware that booking your first lesson will feel a little intimidating for most of you; there is nothing to worry about. Let me share a secret with you: my first online teaching lesson was a little daunting as I was not fully used to the classroom as yet and I was more than a little a little unsure of what to expect. But that feeling wears off quite soon, as it will for you.
In due course, details of my Outschool teaching will appear here. On outschool, I can teach group lessons which pay better, in a nutshell - and I need to both support my ladies and save to launch the business. And my intention is to teach Electronics, Physics and possibly Mathematics there. Details will appear nearer the time. I have successfully taught a large (60+) group of Chinese engineering students on Zoom, and it paid well! Any comments or suggestions? If so, feel free to drop me a message! Why not finger (i.e the Unix finger command, finger davidn@dfdn.info !) me to find out what I am up to?
Teaching material on the new Gemini service. The how and why!
Home
Downloads (Including Gemini and Gopher clients)
I am now hosting much material - including reading and reference material - on the so-called 'small internet' on Gopher and Gemini.
Why am I hosting material on Gopher and Gemini? Firstly, because it has many advantages, most significantly very low data and battery consumption for those in places where pople pay by the MB; secondly, as the site is educational and a significant percentage of my student base are from academic and/or engineering backgrounds, I encourage the promotion of knowledge and experimentation.
See also our Gemini site:
See also our Gopher site....
Here is an indroduction video
New indroduction video for overseas in-person teaching - for which I am now preparing...
Introduction video for Electronic Engineering & Computer Science
First lesson guide for new students
Teaching material on the new Gemini service - the Why & How
*** English Language Placement test - CEFR (Common European Framework Reference) testing for new students or trainees. ***.
More about proficiency levels and testing. Assessment tests compared: CEFR, IELTS & TOEFL
I now have a joint eBook publishing venture with professor Winston Ingram. And of course, my own book will appear here when I arrive in Burkina Faso. An accompanying video, The United Kingdom's Child Maintainance Service exposed, will be co-published simultaniously. Winston Ingram is a retired professor, medical photographer and musician. I have entered into a franchise to publish his life works electronically for the first time. In the first instance, eBooks are being made available in .kpf format for the Kindle; however
later Epub and paperback will be available once a few teething problems are ironed out. And of course, my own book will be announced pending my arrival in Burkina Faso. I have a new eBook page being prepared here.
Please see here for details of my recent visit to the Yancheng Institute of Technology in Jiangsu Province, China!
***Material for English Language Students – for Enginnering Students***
My TEFL certificate dated November 2021
My current schedule - please note: this is ***READ ONLY*** to prevent misuse!
CEFR - Common European Framework Reference levels explained
"Can I be fluent in time for my ijob interview next week?" Yeah sure! A teacher can answer this one of two ways...
Can you learn languages on a smartphone? Ask a teacher!
Students often ask me this...
Perhaps you older people who buy housing for profit, or an 'investment', and could not care less about us under 50s who are priced out of both the mortgage and private rental sectors, and whose new housing developments you do not wich to see 'in your backyards - but who you nonetheless count on to pay your pensions, ought to listen to us after all....
Sentance Structure
IELTS British Council - Progress Check (paid)
British English for listening practice
Udemy Learning English Courses
Udemy Mastering English Grammar
Cambridge Grammar for English learners
Classroom Activities (No index page yet)
Presentations [various, ODP]
Young Learners [PDF]
ESL (English as a Second Language) resources [PPT - URGH, Micro$oft!]
IELTS Preparation Advice
Cambridge Grammar for IELTS
Cambridge Encyclopedia of the English Language>
Cambridge English student's book
IELTS Preparation Course - download only (Is 10 hours total, MP4 format video)
IELTS Preparation Course - download only (Over 11 hours total, MP4 format video)
TOEFL Preparation Course (ZIP file) for download
Learn all the tenses in English in depth. Note: 1.9GB. You may prefer to download.
Teaching English as a Foreign Language - glossary of terms
How the languages of Europe are related to each other...
Common Phrasal verbs in everyday English
Common time management terms and phrases - VIP!
"I always add S, right?" Wrong! A common misconception about pleuralisation rules. Get ready for some surprises...
I like this video. Ideas about productivity dating back to the industrial revolution are not fit for purpose in 2023. Productivity myths busted! Do longer hours lead to increased productity? Does multitasking really get more done? The truth is here.
Computer science terms glossary
Electrical terms glossary (I am getting an increasing number of students from this background)
Common Business Phrases used in the office
BBC English Language learning for Business
Recomended phrases for managing a presentation and maintaining flow
Common Information Technology vocabulary (Alphabetical order; a teaching aid).
Glossary of Aviation terms
Glossary of Medical Terms - for Engish Language students in the Medical Profession.
Glossary of Engineering Terms - for Engish Language students.
Glossary of Chemistry Terms - for Engish Language students.
Glossary of History Terms - for Engish Language students.
Elements of the periodic table
Glossary of British Legal Terms - for Engish Language students.
So, you finding it difficult to actually use the language? Techniques for improving confidence when speaking
Tenses Tables for reference.
The 9 parts of Speech explained
First, second & third person speach
Conditionals (as in the context of language) explained.
Classification scheme for undergraduate coursework (UK)
Presentations for download
44 English sounds chart to assist with pronunciation
Can I change or get rid of my accent? A common request - but the importance of accents is overstated, and changing them is prodigal of student and teacher time.
Phonetic Alphabet - Used to ensure intelligibility on two way radio (many phonemes sound similar!), but informative in language teaching also.
By popular request: English Slang Terms (a FAQ from my students!)
British Slang Language Explained
Learning a British accent (This takes a long time).
Vocabulary related to the fashion industry - newly requested. (Useful for my own ladies too!!).
By popular request: English Idoms
History of the Internet
Is the Western world giving you the right incentives? I think not...Oh, really? Enguage the brain! The truth about Western Society.
Armaggedon is here - the exponential rise of Britain's Food Banks
Why I will never return to the UK when I finally leave. With a few more reasons besides those given by this British expatriot.
Is Britain's economy in terminal decline? Personally I am waiting to leave - and watch it crash & burn on CNN...
It makes me ashamed to be British: 'If the UK is one of the world's richest economies, they why are so many of its people poor, even destitute?' UK poverty - explained
BMX bikes? The ZX Spectrum? The Rubik Cube? What is my most enduring memory of the 1980s? None of these. No, the grating voice of Margaret bloody Thatcher on the news every night. Behold the grandmother and guardian angel of British inequality.
The World's most famous Serial Liar - Boris Johnson
And the aftermath of Boris Johnson - Lizz Truss, gross incompetance unleashed
If you are young and British - leave! How the Conservative Party Destroyed your future.
Preparing for a job interview in English (Horrors!)
What lies beyond in the Universe?
Work hard, save for the family, invest in the future? Yes right. Britain's Dementia Tax Exposed. (Gopher Link)
British Gas sending thugs to break into vulnerable people's home - to fit prepayment meters. (Civilised country? I think not).
***Material related to science and Engineering – for science and Enginnering Students***
Find your present GPS co-ordinates (you need to be connected using *HTTPS* for this to work on Chrome version 50 and over, have Javascript enabled, and grant permission)
Circuits Analysis © David Norris - For Chinese Electromechanical Engineering Course
For Chinese Analouge Electronics course 2024
For Chinese Electrical Machines course 2024
For Chinese Mathematics for Engineering course
For Chinese Engineering Foundation Mathematics
For Chinese Electronic Circuits CAD course
For information only (illegal to use in most countries!) - a 74HC14 schmitt trigger based radio jammer!
The Human Body in Thermal Imaging © David Norris [Based on Thermal Imaging the Human Body by Winston Ingram & Sarah Ward]
How to convert files to Kindle Package Format (.kpf) with Kindle Create
Outschool class Introduction to Astronomy
*** New Outschool class "A Young Person's Introduction to Electronics" - Schedule to be confirmed ***
A Young preson's introduction to Electronics (English UK)
A Young preson's introduction to Electronics (Chinese Simplified)
A Young preson's introduction to Electronics (French)
A Young preson's introduction to Electronics (Italien)
A Young preson's introduction to Electronics (Ukranian)
*** Elements of the Periodic Table for High School Chemistry ***
*** Elements of the Periodic Table for High School Chemistry - course material***
A Young Person's Introduction to Electronics © David Norris - Course material
Elements of the Periodic Table under the Microscope with permission © from Winston Ingram & Sarah Ward, edited by David Norris - Course material
Common myths and misconceptions about electriciy debunked...
Photovoltaic Power - weighing up the pro's and cons © David Norris 2023
Happy Christmas Ouagadougou! Photovoltaic (Solar) power to 3 phase AC!
Digital Alarm Clock Demonstration
Temperature Measurement using a microcontroller
Temperature Control Demonstration
An insight into my charactor. Certain people might interpret my current quiet time as the calm before the storm, so to speak. An implied meaning indeed. Don't try this at home guys.
Legacy chargers for construction industry - last few left! An example of my craftmanship. Want one? Let me know!
Why do my photovoltaic power designs need to convert the power to AC - and why does the whole world use alternating current at either 50Hz or 60Hz? And why do voltages range from 100 to 240 volts RMS? A look at the history! In US English
Of course, the "War of the Currents" predated the discovery of semiconductors. Since semiconductors, methods are now available to convert DC voltages. And of course, semiconductors have revolutionised the way we live and work.
Image Display (BMP) using a microcontroller and ST7735R colour liquid crystal display
The Story of Electricity (How it was discovered) - focusiing on the history rather than the technical side. In British English.
The Five ages of the Universe
Fred Adams - Into the Dark - the long term fate of our dying Universe
Introduction to Optical Astronomy (Unaided eye objects only)
UK Parlienment debate (2006) - good reading practice
The OSI (Open Standard for Interconnection) model explained
Is 'Great' Britain in terminal decline?
Example Presentation: Introduction to Optical Astromony (Used on Outschool) (Introduction Video)
Could humanity survive a mass extinction event, of the magnitude which ended the reign of the dinosaurs?
The story of Earth, from beginning to end
Simplified timeline of the future: Easier to read than five ages of the universe, but just as thought provoking...
Of course, asteroid or comet impect is not the only threat. Could the Earth be evacuated? Possibly? By at least some of humanity? In US English.
When Aliens Attack - based on a realistic Scenario
'Generating a 50Hz Sinewave using a ATMEGA8 Microcontroller by David Norris'
PIC16F877A Stepper Motor Controller Demonstration
